'Big Bang' Penny 'is like Sheldon's mom'

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Kaley Cuoco has claimed that her Big Bang Theory character Penny is like Sheldon's mother.

Speaking to Entertainment Weekly, Cuoco explained that Penny will accompany Sheldon (Jim Parsons) when he goes on a date with his new love interest Amy (Mayim Bialik).

"[I'm] chaperoning and chauffeuring," she said. "Because Penny is now apparently Sheldon's mother, and drives him on dates and sits at dinner.

"She literally is in the middle of the two of them during dinner... and the whole thing turns around on her and it's just awful. I have to say, I might be a little biased, but this opening episode is really funny."

Cuoco also revealed that the new season will feature a lot of "expensive robots", adding: "It's pretty awesome."